internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "SET #a = #b + if_not_exists(#c, :v0)"
visitor.Visit <TEntity>(Expression);
builder.Append(visitor.Builder);
builder.Append(" = ");
visitor.Visit <TEntity>(_left);
builder.Append(visitor.Builder);
AppendMathOperatorExpression(ref builder);
WriteIfNotExistsBlock <TEntity>(ref builder, visitor, _right, ref valuesCount);
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "REMOVE #a"
visitor.Visit <TEntity>(Expression);
builder.Append(visitor.Builder);
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "SET #a = #b + #c"
visitor.Visit <TEntity>(Expression);
builder.Append(visitor.Builder);
builder.Append(" = ");
visitor.Visit <TEntity>(_left);
builder.Append(visitor.Builder);
AppendMathOperatorExpression(ref builder);
visitor.Visit <TEntity>(_right);
builder.Append(visitor.Builder);
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "SET #a = list_append(if_not_exists(#b, :v0),#c)"
visitor.Visit <TEntity>(Expression);
builder.Append(visitor.Builder);
builder.Append(" = list_append(");
WriteIfNotExistsBlock <TEntity>(ref builder, visitor, _left, ref valuesCount);
builder.Append(',');
visitor.Visit <TEntity>(_right);
builder.Append(visitor.Builder);
builder.Append(')');
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "#a = :v0"
visitor.Visit <TEntity>(Expression);
WriteEncodedExpressionName(visitor.Builder, _useSize, ref builder);
builder.Append(" = :v");
builder.Append(valuesCount++);
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "SET #a = list_append(#b,#c)"
visitor.Visit <TEntity>(Expression);
builder.Append(visitor.Builder);
builder.Append(" = list_append(");
visitor.Visit <TEntity>(_left);
builder.Append(visitor.Builder);
builder.Append(',');
visitor.Visit <TEntity>(_right);
builder.Append(visitor.Builder);
builder.Append(')');
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// attribute_not_exists(#a)
visitor.Visit <TEntity>(Expression);
builder.Append("attribute_not_exists(");
builder.Append(visitor.Builder);
builder.Append(')');
}
internal override void WriteExpressionStatement(ref NoAllocStringBuilder builder, ref int valuesCount, DdbExpressionVisitor visitor)
{
// "#a IN (:v0, :v1, :v2)"
visitor.Visit <TEntity>(Expression);
WriteEncodedExpressionName(visitor.Builder, _useSize, ref builder);
builder.Append(" IN (");
for (var i = 0; i < _values.Length; i++)
{
if (i > 0)
{
builder.Append(", ");
}
builder.Append(":v");
builder.Append(valuesCount++);
}
builder.Append(')');
}
